水稻化感作用的動態(tài)遺傳及其與環(huán)境互作研究.pdf

1、福建農(nóng)林大學(xué)碩士學(xué)位論文水稻化感作用的動態(tài)遺傳及其與環(huán)境互作研究姓名：董章杭申請學(xué)位級別：碩士專業(yè)：作物栽培學(xué)與耕作學(xué)指導(dǎo)教師：林文雄2002.5.1Dissertationfo，MastersDegreeFujianAgricultureandForestryUniversityStudyonDynamicGeneticsofAllelopathyandItsInteractionswithEnvironmentinRice(Oryz

2、asativaL_JDongZhanghangSupervisedbyProfDnLinWenxiongAbstractThetermAllelopathywascoinedbyMolischin1937Therootwordsofallelopathyare“allelon”and“pathos”meaning“ofeachother”and“tosuffer”respectivelyTherefore，allelopathymean

3、stheinjuriouseffectofoneuponanotherincludingtheareaofsciencethatdealswiththeproductionofallelochemicals，mostlysecondarymetabolites，byoneplantthatcarleitherinducesufferingin，orgivebenefitto，anotherplantAlthoughthephenomen

4、onhasbeenstatedover2000yearsagoandthetermhasbeencoinedformorethan60years，asascience，allelopathyisstillanewareaTheimportanceofallelopathyhasbeenemphasizedonlyinthelast20years，whenvariouskindsofecologicalandenvironmentalpr

5、oblemswerecausedbytheuseofchemicalpesticidesandherbicidesStudiesperformedinallelopahtyweremainlyaboutbioassaymethods，allelochemicais，allelopathicmechanismanditsgermplasmscreeningAsaquantitativecharacterofplants，allelopat

6、hyisaffectedbygeneticeffectsandenvironmentconditionssuchasweathersoil，cultivationandmanagementoffieldAccordinglygeneticeffectsandgenotypeXenvironmenteffectsofcropallelopathyhasbeenpaiedgreatattentiontoinrecentyears，howev

7、erfewinformationabouttheseaspectsespeciallyingeneticecologyhasbeenfoandInthisstudy5parentalricevarietieswithdifferentallelopathicpotentialwereemployedinpartialdiallelcrosstoget10groupsofFlseedsBytestingtheinhibitingabili

8、tyofthe5parentsand10Flstootlengthandshootlengthofmodelreceiverplantlettuce(LactucasativaL)，andbyusingadditivedominantdevelopmentalgeneticmodels，dynamicgeneticsofriceallelopathyanditsgenotypeenvironmenteffectswereanalyzed